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The scheduling technique in which CPU is allocated to the process with least CPU-burst time is known as
Shortest job first Scheduling is a scheduling technique in which CPU is allocated to the process with least CPU-burst time.
Entry-sequenced file organization The records in an entry-sequenced file are store up in the order they are written into the file. New records are for all time appended to
MEMORY MANAGEMENT USING BUDDY SUSTEM Here we are dividing the memory as powers of two as well as we are selecting the space which is smallest but large enough to hold a process
What is the use of multiprogramming on individual processors ? In the usual multiprocessor, which is dealing with independent or coarse-grained synchronization granularity, it i
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
Describe paging technique used in UNIX systems. When a process begin in UNIX, not every its memory pages are read in from the disk at once. In its place, the kernel loads into
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
What are the necessary conditions for deadlocks? 1. Mutual exclusion : Only one process at a time is able to use the resource. 2. Hold and wait : A process should be holdi
Explain hierarchy level directory
Hierarchical paging Single way is to use a two-level paging algorithm, in which the page table itself is also paged. A logical address is separated into a page number and a pag
a summary of what operating system do
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